Amass spectrograph is operated with deuterons, which have a charge of +e and a mass of 3.34 x 10-27 kg. deuterons emerge from the source, which is grounded with negligible velocity. the velocity of the deuterons as they pass through the accelerator grid is 8.0 x 105 m/s. a uniform magnetic field of magnitude b = 0.20 t, directed out of the plane, is present at the right of the grid. in the figure, the deuterons are in circular orbit in the magnetic field. the radius of the orbit and the initial sense of deflection are closest to:

Carbon 14 is a naturally occurring stable

Difference between series and parallel circuits

In the future, people will only enjoy one sport: electrodisc. in this sport, you gain points when you cause metallic discs hovering on a field to exchange charge. you are an electrodisc player playing the popular four disc variant. the disks have charges of qa = −8.0 µc, qb = −2.0 µc, qc = +5.0 µc, and qd = +12.0 µc. (1) you bring two disks together and then separate them. you measure the resulting charge of these two disks and find that it is +5.0 µc per disk. which two disks did you bring together? (a) a and b (b) a and c (c)a and d (d)b and c(e) b and d (f) c and d. (2) you bring three disks together and then separate them. you measure the resulting charge of these three disks and find that it is +3.0 µc per disk. which three disks did you bring together? a, b, and c (a) a, b, and d (c) a, c, and d (d) b, c, and d. (3) given the resulting charge of each disk measured in (b) is +3.0 µc, how many electrons would you need to add to a disk of this charge to electrically neutralize it? electrons